Have you ever noticed how shopping malls, parking lots, or event venues seem to track the number of people or cars present inside? You might think they use an AI camera to count them, but in reality, ...

Arduino project with a IR lightbarrier that triggers a counter and displays "laptimes" on a 32x16-led-dot-matrix-display The plan is to add another lightbarrier in the future, so I don't need to get ...

The YouTube channel DIY Builder has published and created a DIY Arduino laser engraver which is powered by an Arduino Nano development board and is fitted with a 200-250mW 650nm Laser Module. Check ...